World Series of Fighting 9 Weigh-in Streaming Friday at 6 p.m. ET on MMAWeekly.com

The World Series of Fighting returns to the Hard Rock Hotel & Casino in Las Vegas, on Saturday, March 29, for WSOF 9: Carl vs. Palhares. UFC welterweight champion Steve Carl puts his belt on the line against incoming UFC veteran Rousimar Palhares in the main event.

But first, all of the fighters must make weight.

Watch the World Series of Fighting 9 weigh-ins LIVE on Friday at 6 p.m. ET / 3 p.m. PT on MMAWeekly.com.